//
//  AppDelegate.swift
//  mySina
//
//  Created by mac on 15/12/16.
//  Copyright © 2015年 tz. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        //创建跟视图
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.backgroundColor = UIColor.whiteColor()
        //设置主题色
        setThemeColor()
        //注册通知
        registerNotification()
        //根控制器视图
//        let nav = UINavigationController(rootViewController: PictureSelectorViewController())
//        window?.rootViewController = nav
        window?.rootViewController = defaultViewController()
        window?.makeKeyAndVisible()
        return true
    }
    //MARK: 注册通知
    private func registerNotification() {
        //object 如果不为空: 通知  ,  nil: 对应广播
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "switchRootVC:", name: WBSwitchRootVCNotification, object: nil)
    }
    //MARK: 根据用户是否登录显示具体的界面
    private func defaultViewController() -> UIViewController {
        if UserAccountViewModel().userLogin {
            return isNewVersion() ? NewFeatureController() : WelComeViewController()
        }
        return MainTabBarController()
    }
    //移除通知的操作
    deinit {
        NSNotificationCenter.defaultCenter().removeObserver(self)
    }
    @objc private func switchRootVC(n:NSNotification) {
//        print(n)
        //根据通知去切换对应的根视图控制器
        if n.object != nil {
            window?.rootViewController = WelComeViewController()
            return
        }
        //首页
        window?.rootViewController = MainTabBarController()
    }
    //MARK: 判断是否为新版本
    private func isNewVersion() -> Bool {
        //获取当前应用的版本号
        //获取info文件
        let info = NSBundle.mainBundle().infoDictionary
        //获取版本号对应的key
        let currentStr = info!["CFBundleShortVersionString"] as! String
        let currentNum = Double(currentStr)
        //获取本地缓存的版本号
        let userDefaults = NSUserDefaults.standardUserDefaults()
        let sandBoxKey = "sandBoxKey"
        let lastNum = userDefaults.doubleForKey(sandBoxKey)
        //立即存储，当前应用的版本号
        userDefaults.setDouble(currentNum!, forKey: sandBoxKey)
        userDefaults.synchronize()
        //4.比较新版(当前版本) 版本号 和老版本(本地缓存的版本)的版本号
        return currentNum > lastNum
    }
    private func setThemeColor() {
        UINavigationBar.appearance().tintColor = themeColor
        UITabBar.appearance().tintColor = themeColor
    }
    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

